AS4766 220.88.128.0/20 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 4094Addressable IPs: 4096220.88.128.0/24220.88.129.0/24220.88.130.0/24220.88.131.0/24220.88.132.0/24220.88.133.0/24220.88.134.0/24220.88.135.0/24220.88.136.0/24220.88.137.0/24220.88.138.0/24220.88.139.0/24220.88.140.0/24220.88.141.0/24220.88.142.0/24220.88.143.0/24